Are you brushing your teeth correctly? Are you flossing correctly? It is really important to brush using a toothbrush(soft) using the correct technique, otherwise you could damage your teeth and gums. Alongwith brushing, it is equally important to floss your teeth to maintain adequate oral hygiene and interdental health since the toothbrush doesn't clean in between the teeth effectively. Water flosser (waterpik) is a great and easy alternative to flossing if you find the thread floss difficult and cumbersome to use.